<template>
  <div>
    <!--面包屑-->
    <bread :bread="$route.meta.bread"></bread>
    <!--内容-->
    <el-card class="box-card">
      <div id="main" style="width: 700px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
// 1. 导入 echarts
import echarts from "echarts";
import _ from "lodash";//合并执行

import bread from "../bread";
export default {
  components: { bread },
  name: "",
  data() {
    return {
      //要合并的数据
      options: {
        title: {
          text: "用户来源",
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#6a7985",
            },
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            boundaryGap: false,
          },
        ],
        yAxis: [
          {
            type: "value",
          },
        ],
      },
    };
  },
  async mounted() {
    // 3.基于准备好的dom，初始化echarts实例
    var myChart = this.$echarts.init(document.getElementById("main"));

    const res  = await this.$axios.get("reports/type/1");
    console.log(res);
    if(res.meta.status !== 200){
      return this.$message.error('获取折线图失败');
    }

    // 4. 准备数据和配置项
    const result = _.merge(res.data, this.options); 
    // 5. 展示数据
    myChart.setOption(result);
  },
  methods: {},
  computed: {},
  watch: {},
};
</script>

<style lang="scss" scoped></style>
